2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/204487Compact binary systems with spinning components are considered. Finite size effects due to rotational deformation are taken into account. The dynamical evolution and next to leading order gravitational wave forms are calculated, taking into account the orbital motion up to the first post-Newtonian approximation.typos corrected; version submitted to Class. Quant. GravGeneral Relativity and Quantum Cosmologytext